Table 1. Clinical characteristics of the study samples.

	Cases	Controls
Samples (n)	3,410	3,412
Male/female (n)	1,871/1,589	1,364/2,048
Age (years)	60.33±12.49	50.10±14.27
BMI (kg/m2)	24.38±3.51	23.46±3.25
Fasting glucose (mmol/l)	-	5.02±0.50
2-h glucose (mmol/l)	-	5.46±1.13
Fasting insulin (mmol/l)	-	37.02(26.04, 51.84)
2-h insulin (mmol/l)	-	168.03(92.16, 279.84)
HOMA-B	-	89.87(62.63, 135.84)
HOMA-IR	-	1.33(0.93, 1.90)

Data are shown as mean±SD, median (interquartile range) or n.